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https://github.com/KrumpetPirate/AAXtoMP3.git
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Krumpet Pirate
GitHub
commit
43d96f0118
49
AAXtoMP3
49
AAXtoMP3
@ -34,6 +34,7 @@ authorOverride= # Override the author, ignoring the metadata
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audibleCli=0 # Default off, Use additional data gathered from mkb79/audible-cli
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aaxc_key= # Initialize variables, in case we need them in debug_vars
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aaxc_iv= # Initialize variables, in case we need them in debug_vars
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ffmpegPath= # Set a custom path, useful for using the updated version that supports aaxc
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# -----
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# Code tip Do not have any script above this point that calls a function or a binary. If you do
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@ -88,6 +89,8 @@ while true; do
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--keep-author ) keepArtist="$2"; shift 2 ;;
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# Author override
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--author ) authorOverride="$2"; shift 2 ;;
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# Ffmpeg path override
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--ffmpeg-path ) ffmpegPath="$2"; shift 2 ;;
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# Command synopsis.
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-h | --help ) printf "$usage" $0 ; exit ;;
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# Standard flag signifying the end of command line processing.
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@ -212,6 +215,16 @@ else
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SED="gsed"
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fi
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# Use custom ffmpeg (and ffprobe) binary ( --ffmpeg-path flag)
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if [ -n "$ffmpegPath" ]; then
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FFMPEG="$ffmpegPath/ffmpeg"
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FFPROBE="$ffmpegPath/ffprobe"
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else
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FFMPEG="ffmpeg"
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FFPROBE="ffprobe"
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fi
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debug_vars "ffmpeg/ffprobe paths" FFMPEG FFPROBE
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# -----
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# Detect which annoying version of grep we have
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@ -242,7 +255,7 @@ fi
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# -----
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# Detect ffmpeg and ffprobe
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if [[ "x$(type -P ffmpeg)" == "x" ]]; then
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if [[ "x$(type -P "$FFMPEG")" == "x" ]]; then
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echo "ERROR ffmpeg was not found on your env PATH variable"
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echo "Without it, this script will break."
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echo "INSTALL:"
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@ -255,7 +268,7 @@ fi
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# -----
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# Detect ffmpeg and ffprobe
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if [[ "x$(type -P ffprobe)" == "x" ]]; then
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if [[ "x$(type -P "$FFPROBE")" == "x" ]]; then
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echo "ERROR ffprobe was not found on your env PATH variable"
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echo "Without it, this script will break."
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echo "INSTALL:"
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@ -381,13 +394,6 @@ trap 'rm -r -f "${working_directory}"' EXIT
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# Set up some basic working files ASAP. Note the trap will clean this up no matter what.
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working_directory=`mktemp -d 2>/dev/null || mktemp -d -t 'mytmpdir'`
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metadata_file="${working_directory}/metadata.txt"
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# Creating a temp file to store the chapter data collected in save_metadata, as the output
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# folder will only be defined after save_metadata has been executed.
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# This file is only required when using audible-cli data and executing in single mode to
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# get proper chapter titles in single file m4b output.
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if [[ "${audibleCli}" == "1" && "${mode}" == "single" ]] ; then
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tmp_chapter_file="${working_directory}/chapter.txt"
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fi
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# -----
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# Validate the AAX and extract the metadata associated with the file.
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@ -409,7 +415,7 @@ validate_aax() {
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set +e errexit
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# Take a look at the aax file and see if it is valid. If the source file is aaxc, we give ffprobe additional flags
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output="$(ffprobe -loglevel warning ${decrypt_param} -i "${media_file}" 2>&1)"
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output="$("$FFPROBE" -loglevel warning ${decrypt_param} -i "${media_file}" 2>&1)"
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# If invalid then say something.
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if [[ $? != "0" ]] ; then
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@ -422,7 +428,7 @@ validate_aax() {
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# This is a big test only performed when the --validate switch is passed.
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if [[ "${VALIDATE}" == "1" ]]; then
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output="$(ffmpeg -hide_banner ${decrypt_param} -i "${media_file}" -vn -f null - 2>&1)"
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output="$("$FFMPEG" -hide_banner ${decrypt_param} -i "${media_file}" -vn -f null - 2>&1)"
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if [[ $? != "0" ]] ; then
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log "ERROR: Invalid File: ${media_file}"
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else
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@ -492,7 +498,7 @@ validate_extra_files() {
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save_metadata() {
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local media_file
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media_file="$1"
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ffprobe -i "$media_file" 2> "$metadata_file"
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"$FFPROBE" -i "$media_file" 2> "$metadata_file"
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if [[ $(type -P mediainfo) ]]; then
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echo "Mediainfo data START" >> "$metadata_file"
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# Mediainfo output is structured like ffprobe, so we append it to the metadata file and then parse it with get_metadata_value()
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@ -521,6 +527,11 @@ save_metadata() {
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# chapter titles from the .json generated by audible–cli and store
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# them correctly formatted for mp4chaps in a chapter.txt
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if [ "${mode}" == "single" ]; then
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# Creating a temp file to store the chapter data collected in save_metadata, as the output
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# folder will only be defined after save_metadata has been executed.
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# This file is only required when using audible-cli data and executing in single mode to
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# get proper chapter titles in single file m4b output.
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tmp_chapter_file="${working_directory}/chapter.txt"
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jq -r \
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'def pad(n): tostring | if (n > length) then ((n - length) * "0") + . else . end;
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.content_metadata.chapter_info.chapters |
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@ -693,7 +704,7 @@ do
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# Display the total length of the audiobook in format hh:mm:ss
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# 10#$var force base-10 interpretation. By default it's base-8, so values like 08 or 09 are not octal numbers
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total_length="$(ffprobe -v error ${decrypt_param} -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "${aax_file}" | cut -d . -f 1)"
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total_length="$("$FFPROBE" -v error ${decrypt_param} -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "${aax_file}" | cut -d . -f 1)"
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hours="$((total_length/3600))"
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if [ "$((hours<10))" = "1" ]; then hours="0$hours"; fi
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minutes="$((total_length/60-60*10#$hours))"
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@ -712,8 +723,8 @@ do
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if [ "${continue}" == "0" ]; then
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# This is the main work horse command. This is the primary transcoder.
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# This is the primary transcode. All the heavy lifting is here.
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debug 'ffmpeg -loglevel error -stats ${decrypt_param} -i "${aax_file}" -vn -codec:a "${codec}" -ab ${bitrate} -map_metadata -1 -metadata title="${title}" -metadata artist="${artist}" -metadata album_artist="${album_artist}" -metadata album="${album}" -metadata date="${album_date}" -metadata track="1/1" -metadata genre="${genre}" -metadata copyright="${copyright}" "${output_file}"'
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</dev/null ffmpeg -loglevel error \
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debug '"$FFMPEG" -loglevel error -stats ${decrypt_param} -i "${aax_file}" -vn -codec:a "${codec}" -ab ${bitrate} -map_metadata -1 -metadata title="${title}" -metadata artist="${artist}" -metadata album_artist="${album_artist}" -metadata album="${album}" -metadata date="${album_date}" -metadata track="1/1" -metadata genre="${genre}" -metadata copyright="${copyright}" "${output_file}"'
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</dev/null "$FFMPEG" -loglevel error \
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-stats \
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${decrypt_param} \
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-i "${aax_file}" \
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@ -761,7 +772,7 @@ do
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if [ "$((${loglevel} > 1))" == "1" ]; then
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log "Extracting cover into ${cover_file}..."
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fi
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</dev/null ffmpeg -loglevel error -activation_bytes "${auth_code}" -i "${aax_file}" -an -codec:v copy "${cover_file}"
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</dev/null "$FFMPEG" -loglevel error -activation_bytes "${auth_code}" -i "${aax_file}" -an -codec:v copy "${cover_file}"
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fi
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fi
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@ -842,7 +853,7 @@ do
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#ffmpeg version 4+ and on the output for all older versions.
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split_input=""
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split_output=""
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if [ "$(($(ffmpeg -version | $SED -E 's/[^0-9]*([0-9]).*/\1/g;1q') > 3))" = "1" ]; then
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if [ "$(($("$FFMPEG" -version | $SED -E 's/[^0-9]*([0-9]).*/\1/g;1q') > 3))" = "1" ]; then
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split_input="-ss ${chapter_start%?} -to ${chapter_end}"
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else
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split_output="-ss ${chapter_start%?} -to ${chapter_end}"
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@ -856,7 +867,7 @@ do
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if [ "$((${loglevel} > 1))" == "1" ]; then
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log "Splitting chapter ${chapternum}/${chaptercount} start:${chapter_start%?}(s) end:${chapter_end}(s)"
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fi
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</dev/null ffmpeg -loglevel quiet \
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</dev/null "$FFMPEG" -loglevel quiet \
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-nostats \
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${split_input} \
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-i "${output_file}" \
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@ -907,7 +918,7 @@ do
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if [ "${audibleCli}" == "1" ]; then
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mv "${tmp_chapter_file}" "${output_directory}/${currentFileNameScheme}.chapters.txt"
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else
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ffprobe -i "${aax_file}" -print_format csv -show_chapters 2>/dev/null | awk -F "," '{printf "CHAPTER%d=%02d:%02d:%02.3f\nCHAPTER%dNAME=%s\n", NR, $5/60/60, $5/60%60, $5%60, NR, $8}' > "${output_directory}/${currentFileNameScheme}.chapters.txt"
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"$FFPROBE" -i "${aax_file}" -print_format csv -show_chapters 2>/dev/null | awk -F "," '{printf "CHAPTER%d=%02d:%02d:%02.3f\nCHAPTER%dNAME=%s\n", NR, $5/60/60, $5/60%60, $5%60, NR, $8}' > "${output_directory}/${currentFileNameScheme}.chapters.txt"
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fi
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mp4chaps -i "${output_file}"
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fi
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@ -57,6 +57,7 @@ bash interactiveAAXtoMP3 [-a|--advanced] [-h|--help]
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* **--file-naming-scheme <STRING>** or **-F** Use a custom file naming scheme, with variables. See [below](#custom-naming-scheme) for more info.
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* **--chapter-naming-scheme <STRING>** Use a custom chapter naming scheme, with variables. See [below](#custom-naming-scheme) for more info.
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* **--use-audible-cli-data** Use additional data got with mkb79/audible-cli. See [below](#audible-cli-integration) for more info. Needed for the files in the `aaxc` format.
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* **--ffmpeg-path** Set the ffmpeg/ffprobe binaries folder. Both of them must be executable and in the same folder.
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## Options for interactiveAAXtoMP3
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* **-a** or **--advanced** Get more options to choose. Not used right now.
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@ -164,6 +165,9 @@ In Debian-based system's repositories the ffmpeg version is often outdated. If y
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to convert .aaxc files, you need at least ffmpeg 4.4. So if your installed version
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needs to be updated, you can either install a custom repository that has the newer version,
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compile ffmpeg from source or download pre-compiled binaries.
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You can then tell AAXtoMP3 to use the compiled binaries with the `--ffmpeg-path` flag.
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You need to specify the folder where the ffmpeg and ffprobe binaries are. Make sure
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they are both executable.
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__Fedora__
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@ -244,6 +248,7 @@ Since getting those keys is not simple, for now the method used to get them
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is handled by the package audible-cli, that stores
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them in a file when downloading the aaxc file. This means that in order to
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decrypt the aaxc files, they must be downloaded with audible-cli.
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Note that you need at least [ffmpeg 4.4](#ffmpegffprobe).
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## Audible-cli integration
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Some information are not present in the AAX file. For example the chapters's
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